Rezumat problemă

IIF

C++

#3412

Redefiniți instruțiunea condițională if, printr-o secvență de directive #define.

Consola Stan Andrei (Grizzlly) Andrei Stan medie

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Detalii

Problema	IIF	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64909373	Utilizator	Mihai Eduard Colibaba (Edy1404)
Fișier	iif.cpp	Dimensiune	44 B
Data încărcării	11 Iunie 2026, 18:10	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

iif.cpp: In function ‘int main()’:
iif.cpp:5:22: warning: init-statement in selection statements only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions]
    5 | #define CHECK(x,t,y) (x==0)?cout<<y:cout<<t;
      |                      ^
iif.cpp:14:6: note: in expansion of macro ‘CHECK’
   14 |   if(CHECK(0, "this is ONE", 10)==10) total++;
      |      ^~~~~
iif.cpp:5:29: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
    5 | #define CHECK(x,t,y) (x==0)?cout<<y:cout<<t;
      |                             ^~~~
iif.cpp:14:6: note: in expansion of macro ‘CHECK’
   14 |   if(CHECK(0, "this is ONE", 10)==10) total++;
      |      ^~~~~
In file included from iif.cpp:1:
/usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
iif.cpp:14:33: error: expected primary-expression before ‘==’ token
   14 |   if(CHECK(0, "this is ONE", 10)==10) total++;
      |                                 ^~
iif.cpp:5:29: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
    5 | #define CHECK(x,t,y) (x==0)?cout<<y:cout<<t;
      |                             ^~~~
iif.cpp:15:13: note: in expansion of macro ‘CHECK’
   15 |   if(strcmp(CHECK(1, "this will not be returned", "but this will"), "this will not be returned")==0) total++;
      |             ^~~~~
/usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
iif.cpp:5:44: error: expected ‘)’ before ‘;’ token
    5 | #define CHECK(x,t,y) (x==0)?cout<<y:cout<<t;
      |                                            ^
iif.cpp:15:13: note: in expansion of macro ‘CHECK’
   15 |   if(strcmp(CHECK(1, "this will not be returned", "but this will"), "this will not be returned")==0) total++;
      |             ^~~~~
iif.cpp:15:5: note: to match this ‘(’
   15 |   if(strcmp(CHECK(1, "this will not be returned", "but this will"), "this will not be returned")==0) total++;
      |     ^
iif.cpp:15:3: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
   15 |   if(strcmp(CHECK(1, "this will not be returned", "but this will"), "this will not be returned")==0) total++;
      |   ^~
iif.cpp:15:67: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
   15 |   if(strcmp(CHECK(1, "this will not be returned", "but this will"), "this will not be returned")==0) total++;
      |                                                                   ^
iif.cpp:15:67: error: expected primary-expression before ‘,’ token

Cum funcționează evaluarea?